Comparable stake leader
Alumni Capital LP
SEC ownership of Nexalin Technology, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001527352.
Disclosed value leader
Marilyn Elson
Comparable rows
23/32
Latest evidence
19 Aug 2026
- Public ticker
- NXL on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Alumni Capital LP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
23 of 32
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Alumni Capital LP
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
19 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001527352
- Issuer location
- Houston, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Nexalin Technology, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Alumni Capital LP
Disclosed value leader
Marilyn Elson
Comparable rows
23/32
Latest evidence
19 Aug 2026
13D/G
3/4/5
13F
Lead comparable stake: 10%
9 rows are not safely comparable across share classes.
13D/G row: Alumni Capital LP
Showing 1-8 of 32 holder rows.
Quick read
Alumni Capital LP leads the comparable SEC ownership view at 10%.
23 of 32 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Alumni Capital LP's linked filing trail.
Comparable ownership
Top 5
Alumni Capital LP
10%
Greenlight Ventures, LLC
5.6%
Leonard Osser
6.5%
PEAK6 LLC
0.96%
GEODE CAPITAL MANAGEMENT, LLC
0.56%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 32 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Alumni Capital LP |
13D/G
|
10%
|
$847,646
2,493,075 shares
|
$0 | 19 Aug 2026 |
| Greenlight Ventures, LLC |
13D/G
|
5.6%
|
—
1,385,246 shares
|
$0 | 18 Aug 2026 |
| Leonard Osser |
3/4/5
10%+ Owner
|
6.5%
|
$1,311,047
1,618,577 shares
|
— | 29 Sep 2025 |
| PEAK6 LLC |
13F
Company
|
0.96%
|
$79,269
240,210 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.56%
|
$46,062
139,583 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
0.51%
|
$41,757
126,536 shares
|
— | 30 Jun 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.3%
|
$24,881
75,398 shares
|
— | 30 Jun 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
0.26%
|
$21,614
65,497 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 14 Sep 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-10 of 10 reporting-owner rows connected to Nexalin Technology, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Marilyn Elson
Net 12M change
$0
Latest report
19 Dec 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Marilyn Elson | 10%+ Owner | $1,460,445 | Mixed | 10 Sep 2025 | ||
| Leonard Osser | 10%+ Owner | $1,311,047 | Mixed | 29 Sep 2025 | ||
| Ben Hu | Director | $305,446 | Mixed | 19 Dec 2025 | ||
| Rick Morad | Director | $190,541 | Mixed | 16 Sep 2022 | ||
| David Owens | Chief Medical Officer, Director | $154,914 | Mixed | 19 Dec 2025 | ||
| Alan Kazden | Director | $96,867 | Mixed | 19 Dec 2025 | ||
| Carolyn Hamby Shelton | Sr. VP - Quality - Regulatory | $66,000 | Filing P/S | 19 Dec 2025 | ||
| Leslie Bernhard | Director | $47,346 | Mixed | 30 Sep 2024 | ||
| Justin van Fleet | Cfo | $24,750 | Mixed | 19 Dec 2025 | ||
| Mark White | CEO, Director | Mixed | 19 Dec 2025 |
Recent insider transactions for Nexalin Technology, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Mark White | NXL | Stock Option (right to buy)* | Award | 72.1% | 1,000,000 | 2,387,024 | 19 Dec 2025 | Direct | ||
| Justin van Fleet | NXL | Stock Option (right to buy)* | Award | 76.7% | 100,000 | 230,435 | 19 Dec 2025 | Direct | ||
| David Owens | NXL | Stock Option (right to buy)* | Award | 67.4% | 1,000,000 | 2,484,809 | 19 Dec 2025 | Direct | ||
| Carolyn Hamby Shelton | NXL | Stock Option (right to buy)* | Award | 90.4% | 100,000 | 210,620 | 19 Dec 2025 | Direct | ||
| Ben Hu | NXL | Stock Option (right to buy)* | Award | 100,000 | 100,000 | 19 Dec 2025 | Direct | |||
| Alan Kazden | NXL | Stock Option (right to buy)* | Award | 38.1% | 100,000 | 362,500 | 19 Dec 2025 | Direct | ||
| Leonard Osser | NXL | Common Stock | Award | 5.43% | 83,333 | 1,618,577 | 29 Sep 2025 | Direct | ||
| David Owens | NXL | Common stock | Award | 23.6% | 36,459 | 191,252 | 29 Sep 2025 | Direct | ||
| Ben Hu | NXL | Common stock | Award | 10.7% | 36,459 | 377,095 | 29 Sep 2025 | Direct | ||
| Alan Kazden | NXL | Common stock | Award | 43.9% | 36,459 | 119,590 | 29 Sep 2025 | Owned by Alan and Natalie Kazden Family Trust |
* marks a reported price that did not pass the local price check.